4-(5-Hydroxy-3-methyl-1H-pyrazol-1-yl)benzenesulfonamide CAS 160245-39-6

Description

Compared with other compounds in its class, the molecular weight of 253.28 g/mol gives 4-(5-Hydroxy-3-methyl-1H-pyrazol-1-yl)benzenesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(5-Hydroxy-3-methyl-1H-pyrazol-1-yl)benzenesulfonamide (CAS 160245-39-6), molecular formula C10H11N3O3S and molecular weight 253.28 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-(5-Hydroxy-3-methyl-1H-pyrazol-1-yl)benzenesulfonamide (C10H11N3O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 253.28 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 4-(5-Hydroxy-3-methyl-1H-pyrazol-1-yl)benzenesulfonamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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